Dermatologists' Summer Skin Secrets

Top dermatologists share their summer skin-care tips: what they do themselves to prevent sun damage, uneven skin, redness, and more.

PRELOAD SUNSCREEN

"Before a beach vacation, I wear sunscreen on my body every night. I do it for two to three weeks ahead so the sunscreen builds up in my stratum corneum, and it makes my skin less likely to burn," says Jeannette Graf, assistant clinical professor of dermatology at Mount Sinai Medical Center in New York City.